| APA | KEN. (2012, February 10). In Acronym Geek. Retrieved 17:58, February 10, 2012, from http://www.acronymgeek.com/KEN |
| MLA | "KEN." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/KEN>. |
| MHRA | 'KEN', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/KEN> [accessed 10 February 2012] |
| Chicago | "KEN", http://www.acronymgeek.com/KEN (accessed February 10, 2012). |
| CBE/CSE | KEN [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/KEN. |
| Bluebook | KEN, http://www.acronymgeek.com/KEN (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, KEN, http://www.acronymgeek.com/KEN (optional description here) (as of Feb. 10, 2012, 17:58). |
| AMA | KEN. Acronym Geek. February 10, 2012, 17:58. Available at: http://www.acronymgeek.com/KEN. Accessed February 10, 2012, 17:58. |